package com.wnm.web;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;

@WebServlet("/aliPayServlet")
public class AliPayServlet extends HttpServlet {
	@Override
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// 获得初始化的AlipayClient
		AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id,
				AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key,
				AlipayConfig.sign_type);

		// 设置请求参数
		AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
		alipayRequest.setReturnUrl(AlipayConfig.return_url);
		alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

		// 商户订单号，商户网站订单系统中唯一订单号，必填
		String out_trade_no = new String(request.getParameter("orderno"));
		// 付款金额，必填
		String total_amount = new String(request.getParameter("money"));
		// 订单名称，必填
		String subject = "测试";

		alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\"," + "\"total_amount\":\"" + total_amount
				+ "\"," + "\"subject\":\"" + subject + "\"," + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
		String result = null;
		// 请求
		try {
			result = alipayClient.pageExecute(alipayRequest).getBody();
		} catch (AlipayApiException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		// 输出
		response.getWriter().write(result);
	}

	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		this.doGet(req, resp);
	};

}
